EXTI1=B_0x00, EXTI2=B_0x00, EXTI0=B_0x00, EXTI3=B_0x00
EXTI external interrupt selection register 1
EXTI0 | EXTI0 GPIO port selection These bits are written by software to select the source input for EXTI0 external interrupt. Others reserved 0 (B_0x00): PA[0] pin 1 (B_0x01): PB[0] pin 2 (B_0x02): PC[0] pin 3 (B_0x03): PD[0] pin 5 (B_0x05): PF[0] pin |
EXTI1 | EXTI1 GPIO port selection These bits are written by software to select the source input for EXTI1 external interrupt. Others reserved 0 (B_0x00): PA[1] pin 1 (B_0x01): PB[1] pin 2 (B_0x02): PC[1] pin 3 (B_0x03): PD[1] pin 5 (B_0x05): PF[1] pin |
EXTI2 | EXTI2 GPIO port selection These bits are written by software to select the source input for EXTI2 external interrupt. Others reserved 0 (B_0x00): PA[2] pin 1 (B_0x01): PB[2] pin 2 (B_0x02): PC[2] pin 3 (B_0x03): PD[2] pin 5 (B_0x05): PF[2] pin |
EXTI3 | EXTI3 GPIO port selection These bits are written by software to select the source input for EXTI3 external interrupt. Others reserved 0 (B_0x00): PA[3] pin 1 (B_0x01): PB[3] pin 2 (B_0x02): PC[3] pin 3 (B_0x03): PD[3] pin 5 (B_0x05): PF[3] pin |